It was the February '96 FAMA and the article was written by David Hanby.
> About 3 to 5 months ago I saw an article about ponds either in FAMA
> (Freshwater and Marine Aquarium) or AFM (Aquarium Fish Magazine) that
> advocated building a 'mini-marsh' with lots of emergent aquatics next to a
> pond and circulating the pond water through it. The author claimed that
> this system would clear the algae and give the pond very clear water. It
> sounds believable.
> Paul Krombholz Tougaloo College, Tougaloo, MS 39174
> In already humid Mississippi